diff --git a/cli/dts/lib.deno.unstable.d.ts b/cli/dts/lib.deno.unstable.d.ts
index c8e2f42074..0e54535541 100644
--- a/cli/dts/lib.deno.unstable.d.ts
+++ b/cli/dts/lib.deno.unstable.d.ts
@@ -1269,7 +1269,7 @@ declare namespace Deno {
       * });
       * ```
       *
-      * ```
+      * ```ts
       * import { assertEquals } from "https://deno.land/std/testing/asserts.ts";
       *
       * Deno.test({